magnetic levitation vs maglev

magnetic levitation and maglev both are nouns.

Word	Noun	Adjective	Verb	Adverb
magnetic levitation	Yes	No	No	No
maglev	Yes	No	No	No

As nouns, magnetic levitation and maglev are synonyms defined as:

magnetic levitation and maglev: high-speed rail technology; train is suspended on a magnetic cushion above a magnetized track and so travels free of friction

magnetic levitation (noun)	maglev (noun)
high-speed rail technology; train is suspended on a magnetic cushion above a magnetized track and so travels free of friction	high-speed rail technology; train is suspended on a magnetic cushion above a magnetized track and so travels free of friction